Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Pierre-Hugues Herbert and Leandro Riedi were due to meet in Roland Garros qualifying, with the market currently pinned at 100% YES, implying the crowd sees the scheduled match as effectively resolved. That is a very strong reading for a qualifier where outcomes can still turn on late withdrawals, fitness checks, or a walkover before first serve. In these markets, the key distinction is whether the player actually advances on court; if the match is not played, or is abandoned before a winner is recorded, the contract can still fall back to a 50-50 outcome under the stated rules.
Comparable tennis markets tend to move sharply only when there is hard information on availability, not on ranking alone. Sportsbook pricing posted around the fixture had Riedi favoured, while Herbert was still offered as a live underdog, which is consistent with a competitive qualifying match rather than a one-sided spot. Kalshi’s own contract snapshot also showed Riedi priced well ahead of Herbert, so the current 100% YES appears to reflect a mechanics-driven crowd view rather than a broad assumption about match quality. For settlement, the relevant comparison is not who is favoured pre-match but whether the event clears cleanly within the seven-day window and produces an official winner.
The main catalysts are straightforward: start-time confirmation, any Paris schedule reshuffle, and last-minute injury or retirement news from Roland Garros. If the match is delayed, interrupted by weather, or moved outside the seven-day settlement window without a result, the contract rules become more important than any pre-match pricing. Traders should watch official tournament updates and live score feeds for confirmation that the fixture begins and that a completed result is recorded, since a started match with no winner is still treated differently from a normal finish.
Methodology
This page reads Roland Garros, Qualification ATP: Pierre-Hugues Herbert vs Leandro Riedi on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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